%0 Journal Article %A Szczepan Perz %A Leszek Zaremba %T The theorems of Koenig and Birkhoff and their connection with the minimization of the duration time of the measurements of automatic telecommunication channels %J Mathematica Applicanda %D 1982 %P 43-50 %V 10 %N 19 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v10i19.1532/ %R 10.14708/ma.v10i19.1532 %G pl %F 10_14708_ma_v10i19_1532